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Satellite Systems for Personal Applications: Concepts and Technology

ISBN: 978-0-470-71428-7
476 pages
August 2010
Satellite Systems for Personal Applications: Concepts and Technology (047071428X) cover image
Presents the concepts, technology, and role of satellite systems in support of personal applications, such as mobile and broadband communications, navigation, television, radio and multimedia broadcasting, safety of life services, etc.

This book presents a novel perspective on satellite systems, reflecting the modern personal technology context, and hence a focus on the individual as end-user. The book begins by outlining key generic concepts before discussing techniques adopted in particular application areas; next, it exemplifies these techniques through discussion of state-of-art current and emerging satellite systems. The book concludes by contemplating the likely evolution of these systems, taking into consideration influences and trends in technology, in conjunction with growing user expectations.

In addition to addressing satellite systems that directly interact with personal devices, the book additionally considers those indirect applications where there is an increasing interest by individuals - notably, in remote sensing. As such, the book uniquely encompasses the entire gamut of satellite-enabled personal / end-user applications.

Key Features:

  • Broad scope - views satellite systems generically with regards to their applicability across a wide range of personal application areas
  • Strong foundation in underlying concepts
  • State-of-the-art system examples
  • Review of trends in relevant areas of satellite technology
  • Revision questions at the end of each chapter

The book is suited to individuals, engineers, scientists, service providers, system operators, application developers and managers interested or involved in the use of satellite technology for personal applications. It should also hold interest for use in research institutes interested in promoting inter-disciplinary cross-fertilization of ideas, as well as by financiers, policy makers, and strategists interested in gaining a better understanding of this technology.

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About the Series Editors.

Preface.

Acknowledgements.

1 Introduction.

1.1 Scope.

1.2 Perspective.

1.3 Background and Applications.

1.4 Trends.

1.5 Overview of this Book.

Part I BASIC CONCEPTS.

2 Satellites and High-Altitude Platforms.

2.1 Introduction.

2.2 Satellites.

2.3 High-Altitude Platforms.

3 Spectrum and Propagation.

3.1 Introduction.

3.2 Spectrum.

3.3 Propagation.

4 Antennas and Noise.

4.1 Introduction.

4.2 Antennas.

4.3 Noise.

5 Modulation and Coding.

5.1 Introduction.

5.2 Modulation.

5.3 Error Control Coding.

6 Satellite Access and Networking 161

6.1 Introduction 161

6.2 Satellite Access 161

6.2.1 Single Access 161

6.2.2 Multiple-Access Methods 165

Contents vii

6.2.3 Random Access 166

6.2.4 FDM and FDMA 167

6.2.5 SDMA (Frequency Reuse) 172

6.2.6 TDM and TDMA 173

6.2.7 CDM and CDMA 176

6.3 Payloads 181

6.3.1 Unprocessed Payloads 181

6.3.2 Processed Payloads 182

6.4 Networks 184

6.4.1 Network Architectures 184

6.4.2 Network Models 185

Revision Questions 191

References 191

7 Doppler and Pseudorange (Navigation) 193

7.1 Introduction 193

7.2 Doppler 194

7.2.1 Doppler Shift 194

7.2.2 Position Location Using the Doppler Shift 194

7.3 Pseudoranging 198

7.3.1 Pseudorange 198

7.3.2 Position Determination Using Ranging 199

8 Compression, Speech, Audio and Video Encoding.

8.1 Introduction.

8.2 Lossless Data Compression.

8.3 Digitizing Analogue Signals.

8.4 Speech Encoding.

8.5 Audio Encoding.

8.6 Video Encoding.

Part II TECHNIQUES AND SYSTEMS.

9 Digital Broadcasting Techniques and Architectures.

9.1 Introduction.

9.2 MPEG Multimedia Standards.

9.3 Direct-to-Home Broadcast System.

9.4 Direct Broadcasts to Individuals and Mobile Users.

9.5 Military.

10 Broadcast Systems.

10.1 Introduction.

10.2 Satellite Radio Systems.

10.3 Direct Multimedia Broadcast.

10.4 Direct-to-Home Television.

10.5 Military Multimedia Broadcasts.

11 Communications Architectures.

11.1 Introduction.

11.2 Role.

11.3 Circuit-Switched Services.

11.4 Packet-Switched and Converged Services.

11.5 Satellite Communications Networks.

11.6 High-Altitude Platform Systems.

12 Satellite Communications Systems.

12.1 Introduction.

12.2 Mobile Communications.

12.3 Fixed Communications.

12.4 Military Communications.

12.5 Amateur Communications.

12.6 HAP Communications.

13 Satellite Navigation Techniques.

13.1 Introduction.

13.2 Categorization.

13.3 Doppler-Assisted Navigation.

13.4 Range-Assisted Navigation.

13.5 Satellite Augmentation System.

13.6 Navigation–Communication Hybrid Architecture.

13.7 Receiver Architecture.

13.8 Distress, Safety and Location-Based Services.

14 Navigation, Tracking and Safety Systems.

14.1 Introduction.

14.2 Global Navigation Satellite Systems.

14.3 Regional Navigation Systems.

14.4 Satellite-Based Augmentation Systems.

14.5 Distress and Safety.

14.6 Location-Based service.

15 Remote Sensing Techniques.

15.1 Introduction.

15.2 Remote Sensing Data.

15.3 Sensors.

15.4 Image Processing.

15.5 Image Interpretation.

15.6 System Characteristics.

16 Remote Sensing Systems.

16.1 Introduction.

16.2 Commercial Imaging.

16.3 Meteorology.

16.4 Land Observation.

17 The Future.

17.1 Introduction.

17.2 Influences.

17.3 Trend.

17.4 The Long Term.

17.5 Satellites and the Environment.

17.6 Conclusion.

Appendix A List of Personal Applications.

Index.

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Dr. Madhavendra Richharia, Consultant, Satellite Communications, UK
Dr Richharia has been working in satellite communications for the last thirty years and has gained experience in areas such as hardware/software design and development, systems design, operations, planning, research, project management, consultancy, and education. He holds Bachelors, Masters and PhD degrees in electronics and electrical engineering. Richharia’s associations include Inmarsat, University of Surrey and Southampton and ISRO.

Dr. Leslie David Westbrook, Principle Scientist, QinetiQ Ltd., UK
Dr Westbrook has more than 25 years experience in telecommunications R&D and consultancy, ranging from HF to optical frequencies, encompassing analysis, design, simulation, fabrication and testing of a wide range of communication devices, sub-systems and systems. He is currently a Principle Scientist in the SATCOM and Modem group, Communications Division at QinetiQ Ltd (formerly the Defence Research Agency of the UK Ministry of Defence). His activities at QinetiQ have included applied research and consultancy for UK MoD, and civilian organisations, encompassing Skynet (the UK's military satellite constellation), military ground tactical and airborne SATCOM, VSATs, automated satellite resource management, military use of commercial SATCOM and antenna performance.

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"Thorough, thoughtfully presented, and well illustrated, this textbook presents the world of satellite technology now prevalent in everyday life, using the individual, end-user application as its organizing principle." (Booknews, 1 February 2011)

 

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